angular__angular

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Andrew Kushnir 0664d750b6 perf(core): make DI decorators tree-shakable when used for useFactory deps config (#40145 )

This commit updates the logic that calculates `useFactory` function arguments to avoid relying on `instanceof`
checks (thus always retaining symbols) and relies on flags that DI decorators contain (as a monkey-patched property).

Another perf benefit is having less megamorphic reads while calculating args for the `useFactory` call: we used to
check whether a token has `ngMetadataName` property 4 times (in worst case), now we have just 1 megamorphic read in
all cases.

Closes #40143.

PR Close #40145

2021-01-13 14:08:45 -08:00

forward_ref_spec.ts

build: update license headers to reference Google LLC (#37205 )

2020-05-26 14:26:58 -04:00

inject_flags_spec.ts

perf(core): make DI decorators tree-shakable when used for useFactory deps config (#40145 )

2021-01-13 14:08:45 -08:00

injector_spec.ts

build: update license headers to reference Google LLC (#37205 )

2020-05-26 14:26:58 -04:00

r3_injector_spec.ts

fix(core): Allow passing AbstractType to the inject function (#37958 )